Sound suppressor

Details Sound suppressor Sound suppressor

1975-12-30

1977-11-08

Franklin, Lawrence R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

179188, F01N 700

Patent

active

040571246

ABSTRACT:
A sound suppressor for a microphone on a low-power transmitter-receiver, sometimes called a citizens band radio. The sound suppressor is made up of a disc of paper-towel-like material and a disc of aluminum foil of like size sandwiched between two annular sheets of aluminum foil with central apertures so that the paper-towel-like disc is exposed from one side and aluminum foil from the other side. The suppressor is supported in front of a microphone so that the sound waves from a person's voice strike the disc. The several discs are held together around the outer periphery of the round discs by pressure-sensitive adhesive.

REFERENCES:
patent: 1757463 (1930-05-01), McCann
patent: 2080552 (1937-05-01), Whittaker et al.
patent: 2106813 (1938-02-01), Romanow
patent: 2623957 (1952-12-01), Cragg et al.
patent: 2846527 (1958-08-01), Heintzelman

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